25289101 has 2 divisors, whose sum is σ = 25289102. Its totient is φ = 25289100.

The previous prime is 25289063. The next prime is 25289113. The reversal of 25289101 is 10198252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 12257001 = 3610^2 + 3501^2 .

It is a cyclic number.

It is not a de Polignac number, because 25289101 - 2⁹ = 25288589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25289101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25289191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12644550 + 12644551.

It is an arithmetic number, because the mean of its divisors is an integer number (12644551).

Almost surely, 2^25289101 is an apocalyptic number.

It is an amenable number.

25289101 is a deficient number, since it is larger than the sum of its proper divisors (1).

25289101 is an equidigital number, since it uses as much as digits as its factorization.

25289101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 25289101 is about 5028.8270004048. The cubic root of 25289101 is about 293.5245721209.

The spelling of 25289101 in words is "twenty-five million, two hundred eighty-nine thousand, one hundred one".